Par droit je puis bien complaindre et gemir

Recording by Guillaume Dufay.

Recording identifiers

ISRC
GBCJG0500007
CopyrightID (CopyrightChains transaction hash)
0xe5ae2d38d14e2cf1b250016bb52323c37dadc60491a46b2af07508d490cdebd2
Copyright registration time
2026-07-07T13:03:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c9eccc02394ccd457fa30f96ab2bb4cc3e9e011f7f77f4d422484ff22927f73d

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.